Dual Tone Multi-Frequency (DTMF) Tones

GMC Sierra / GMC Sierra Owners Manuals / Infotainment System / Phone / Bluetooth / Dual Tone Multi-Frequency (DTMF) Tones

The Bluetooth system can send numbers and the numbers stored as name tags during a call. You can use this feature when calling a menu-driven phone system.

Account numbers can also be stored for use.

Sending a Number or Name Tag During a Call

1. Press 2. Say “Dial.” 3. Say the number or name tag to send.. The system responds “Ready,” followed by a tone.

2. Say “Dial.” 3. Say the number or name tag to send.

    See also:

    Parking Brake
    To set the parking brake, hold the regular brake pedal down, then push the parking brake pedal down. If the ignition is on, the brake system warning light will come on. See Brake System Warning ...

    XM™ Radio Messages
    XL (Explicit Language Channels): These channels, or any others, can be blocked at a customer's request, by calling 1-800-929-2100 in the U.S. and 1-877-438-9677 in Canada. XM Updating: The encryption ...

    Safety Belt Use During Pregnancy
    Safety belts work for everyone, including pregnant women. Like all occupants, they are more likely to be seriously injured if they do not wear safety belts. A pregnant woman should wear a lap-shoul ...